import { AuthorizeResponse, StartTransactionResponse, StopTransactionReason, StopTransactionResponse } from '../../types/ocpp/Transaction';
-import { DiagnosticsStatus, IncomingRequestCommand, RequestCommand } from '../../types/ocpp/Requests';
+import { DiagnosticsStatus, IncomingRequestCommand, RequestCommand, SendParams } from '../../types/ocpp/Requests';
import { BootNotificationResponse } from '../../types/ocpp/Responses';
import { ChargePointErrorCode } from '../../types/ocpp/ChargePointErrorCode';
import { ErrorType } from '../../types/ocpp/ErrorType';
import { MessageType } from '../../types/ocpp/MessageType';
import { MeterValue } from '../../types/ocpp/MeterValues';
-import OCPPError from './OCPPError';
+import OCPPError from '../../exception/OCPPError';
import OCPPResponseService from './OCPPResponseService';
import PerformanceStatistics from '../../performance/PerformanceStatistics';
+import Utils from '../../utils/Utils';
import logger from '../../utils/Logger';
export default abstract class OCPPRequestService {
this.ocppResponseService = ocppResponseService;
}
- public async sendMessage(messageId: string, commandParams: any, messageType: MessageType, commandName: RequestCommand | IncomingRequestCommand,
- skipBufferingOnError = false): Promise<unknown> {
- // eslint-disable-next-line @typescript-eslint/no-this-alias
- const self = this;
- // Send a message through wsConnection
- return new Promise((resolve, reject) => {
- const messageToSend = this.buildMessageToSend(messageId, commandParams, messageType, commandName, responseCallback, rejectCallback);
- if (this.chargingStation.getEnableStatistics()) {
- this.chargingStation.performanceStatistics.addRequestStatistic(commandName, messageType);
- }
- // Check if wsConnection opened
- if (this.chargingStation.isWebSocketConnectionOpened()) {
- // Yes: Send Message
- const beginId = PerformanceStatistics.beginMeasure(commandName);
- this.chargingStation.wsConnection.send(messageToSend);
- PerformanceStatistics.endMeasure(commandName, beginId);
- } else if (!skipBufferingOnError) {
- // Buffer it
- this.chargingStation.addToMessageQueue(messageToSend);
- // Reject it but keep the request in the cache
- reject(new OCPPError(commandParams?.code ?? ErrorType.GENERIC_ERROR, commandParams?.message ?? `WebSocket closed for message id '${messageId}' with content '${messageToSend}', message buffered`, commandParams?.details ?? {}));
- }
- // Response?
- if (messageType === MessageType.CALL_RESULT_MESSAGE) {
- // Yes: send Ok
- resolve(commandName);
- } else {
- // Send timeout
- setTimeout(() => rejectCallback(new OCPPError(commandParams?.code ?? ErrorType.GENERIC_ERROR, commandParams?.message ?? `Timeout for message id '${messageId}' with content '${messageToSend}'`, commandParams?.details ?? {})), Constants.OCPP_SOCKET_TIMEOUT);
- }
+ public async sendMessage(messageId: string, messageData: any, messageType: MessageType, commandName: RequestCommand | IncomingRequestCommand,
+ params: SendParams = {
+ skipBufferingOnError: false,
+ triggerMessage: false
+ }): Promise<unknown> {
+ if ((this.chargingStation.isInPendingState() && !params.triggerMessage) || this.chargingStation.isInRejectedState()) {
+ throw new OCPPError(ErrorType.SECURITY_ERROR, 'Cannot send command payload if the charging station is not in accepted state', commandName);
+ } else if (this.chargingStation.isInAcceptedState() || (this.chargingStation.isInPendingState() && params.triggerMessage)) {
+ // eslint-disable-next-line @typescript-eslint/no-this-alias
+ const self = this;
+ // Send a message through wsConnection
+ return Utils.promiseWithTimeout(new Promise((resolve, reject) => {
+ const messageToSend = this.buildMessageToSend(messageId, messageData, messageType, commandName, responseCallback, rejectCallback);
+ if (this.chargingStation.getEnableStatistics()) {
+ this.chargingStation.performanceStatistics.addRequestStatistic(commandName, messageType);
+ }
+ // Check if wsConnection opened
+ if (this.chargingStation.isWebSocketConnectionOpened()) {
+ // Yes: Send Message
+ const beginId = PerformanceStatistics.beginMeasure(commandName);
+ // FIXME: Handle sending error
+ this.chargingStation.wsConnection.send(messageToSend);
+ PerformanceStatistics.endMeasure(commandName, beginId);
+ } else if (!params.skipBufferingOnError) {
+ // Buffer it
+ this.chargingStation.bufferMessage(messageToSend);
+ const ocppError = new OCPPError(ErrorType.GENERIC_ERROR, `WebSocket closed for buffered message id '${messageId}' with content '${messageToSend}'`, messageData?.details ?? {});
+ if (messageType === MessageType.CALL_MESSAGE) {
+ // Reject it but keep the request in the cache
+ return reject(ocppError);
+ }
+ return rejectCallback(ocppError, false);
+ } else {
+ // Reject it
+ return rejectCallback(new OCPPError(ErrorType.GENERIC_ERROR, `WebSocket closed for non buffered message id '${messageId}' with content '${messageToSend}'`, messageData?.details ?? {}), false);
+ }
+ // Response?
+ if (messageType !== MessageType.CALL_MESSAGE) {
+ // Yes: send Ok
+ return resolve(messageData);
+ }
- /**
- * Function that will receive the request's response
- *
- * @param payload
- * @param requestPayload
- */
- async function responseCallback(payload: Record<string, unknown> | string, requestPayload: Record<string, unknown>): Promise<void> {
- if (self.chargingStation.getEnableStatistics()) {
- self.chargingStation.performanceStatistics.addRequestStatistic(commandName, MessageType.CALL_RESULT_MESSAGE);
+
+ /**
+ * Function that will receive the request's response
+ *
+ * @param payload
+ * @param requestPayload
+ */
+ async function responseCallback(payload: Record<string, unknown> | string, requestPayload: Record<string, unknown>): Promise<void> {
+ if (self.chargingStation.getEnableStatistics()) {
+ self.chargingStation.performanceStatistics.addRequestStatistic(commandName, MessageType.CALL_RESULT_MESSAGE);
+ }
+ // Handle the request's response
+ try {
+ await self.ocppResponseService.handleResponse(commandName as RequestCommand, payload, requestPayload);
+ resolve(payload);
+ } catch (error) {
+ reject(error);
+ throw error;
+ } finally {
+ self.chargingStation.requests.delete(messageId);
+ }
}
- // Send the response
- await self.ocppResponseService.handleResponse(commandName as RequestCommand, payload, requestPayload);
- self.chargingStation.requests.delete(messageId);
- resolve(payload);
- }
- /**
- * Function that will receive the request's error response
- *
- * @param error
- */
- function rejectCallback(error: OCPPError): void {
- if (self.chargingStation.getEnableStatistics()) {
- self.chargingStation.performanceStatistics.addRequestStatistic(commandName, MessageType.CALL_ERROR_MESSAGE);
+ /**
+ * Function that will receive the request's error response
+ *
+ * @param error
+ * @param requestStatistic
+ */
+ function rejectCallback(error: OCPPError, requestStatistic = true): void {
+ if (requestStatistic && self.chargingStation.getEnableStatistics()) {
+ self.chargingStation.performanceStatistics.addRequestStatistic(commandName, MessageType.CALL_ERROR_MESSAGE);
+ }
+ logger.error(`${self.chargingStation.logPrefix()} Error %j occurred when calling command %s with message data %j`, error, commandName, messageData);
+ self.chargingStation.requests.delete(messageId);
+ reject(error);
}
- logger.debug(`${self.chargingStation.logPrefix()} Error %j occurred when calling command %s with parameters %j`, error, commandName, commandParams);
- self.chargingStation.requests.delete(messageId);
- reject(error);
- }
- });
+ }), Constants.OCPP_WEBSOCKET_TIMEOUT, new OCPPError(ErrorType.GENERIC_ERROR, `Timeout for message id '${messageId}'`, messageData?.details ?? {}), () => {
+ messageType === MessageType.CALL_MESSAGE && this.chargingStation.requests.delete(messageId);
+ });
+ } else {
+ throw new OCPPError(ErrorType.SECURITY_ERROR, 'Cannot send command payload if the charging station is in unknown state', commandName, { status: this.chargingStation?.bootNotificationResponse?.status });
+ }
}
protected handleRequestError(commandName: RequestCommand, error: Error): void {
throw error;
}
- private buildMessageToSend(messageId: string, commandParams: any, messageType: MessageType, commandName: RequestCommand | IncomingRequestCommand,
- responseCallback: (payload: Record<string, unknown> | string, requestPayload: Record<string, unknown>) => Promise<void>, rejectCallback: (error: OCPPError) => void): string {
+ private buildMessageToSend(messageId: string, messageData: Record<string, unknown>, messageType: MessageType, commandName: RequestCommand | IncomingRequestCommand,
+ responseCallback: (payload: Record<string, unknown> | string, requestPayload: Record<string, unknown>) => Promise<void>,
+ rejectCallback: (error: OCPPError, requestStatistic?: boolean) => void): string {
let messageToSend: string;
// Type of message
switch (messageType) {
// Request
case MessageType.CALL_MESSAGE:
// Build request
- this.chargingStation.requests.set(messageId, [responseCallback, rejectCallback, commandName, commandParams as Record<string, unknown>]);
- messageToSend = JSON.stringify([messageType, messageId, commandName, commandParams]);
+ this.chargingStation.requests.set(messageId, [responseCallback, rejectCallback, commandName, messageData]);
+ messageToSend = JSON.stringify([messageType, messageId, commandName, messageData]);
break;
// Response
case MessageType.CALL_RESULT_MESSAGE:
// Build response
- messageToSend = JSON.stringify([messageType, messageId, commandParams]);
+ messageToSend = JSON.stringify([messageType, messageId, messageData]);
break;
// Error Message
case MessageType.CALL_ERROR_MESSAGE:
// Build Error Message
- messageToSend = JSON.stringify([messageType, messageId, commandParams?.code ?? ErrorType.GENERIC_ERROR, commandParams?.message ?? '', commandParams?.details ?? {}]);
+ messageToSend = JSON.stringify([messageType, messageId, messageData?.code ?? ErrorType.GENERIC_ERROR, messageData?.message ?? '', messageData?.details ?? {}]);
break;
}
return messageToSend;
}
- public abstract sendHeartbeat(): Promise<void>;
- public abstract sendBootNotification(chargePointModel: string, chargePointVendor: string, chargeBoxSerialNumber?: string, firmwareVersion?: string, chargePointSerialNumber?: string, iccid?: string, imsi?: string, meterSerialNumber?: string, meterType?: string): Promise<BootNotificationResponse>;
+ public abstract sendHeartbeat(params?: SendParams): Promise<void>;
+ public abstract sendBootNotification(chargePointModel: string, chargePointVendor: string, chargeBoxSerialNumber?: string, firmwareVersion?: string, chargePointSerialNumber?: string, iccid?: string, imsi?: string, meterSerialNumber?: string, meterType?: string, params?: SendParams): Promise<BootNotificationResponse>;
public abstract sendStatusNotification(connectorId: number, status: ChargePointStatus, errorCode?: ChargePointErrorCode): Promise<void>;
public abstract sendAuthorize(connectorId: number, idTag?: string): Promise<AuthorizeResponse>;
public abstract sendStartTransaction(connectorId: number, idTag?: string): Promise<StartTransactionResponse>;
public abstract sendTransactionBeginMeterValues(connectorId: number, transactionId: number, beginMeterValue: MeterValue): Promise<void>;
public abstract sendTransactionEndMeterValues(connectorId: number, transactionId: number, endMeterValue: MeterValue): Promise<void>;
public abstract sendDiagnosticsStatusNotification(diagnosticsStatus: DiagnosticsStatus): Promise<void>;
+ public abstract sendResult(messageId: string, resultMessageData: Record<string, unknown>, commandName: RequestCommand | IncomingRequestCommand): Promise<unknown>;
public abstract sendError(messageId: string, error: OCPPError, commandName: RequestCommand | IncomingRequestCommand): Promise<unknown>;
}
repositories / e-mobility-charging-stations-simulator.git / blobdiff